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A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. It takes a time of 2.70 for the boat to travel from its highest point to its lowest, a total distance of 0.610 . The fisherman sees that the wave crests are spaced a horizontal distance of 5.60 apart. How fast are the waves traveling? Express the speed in meters per second using three significant figures. What is the amplitude of each wave?
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.260 s. Find the angular velocity of the disk
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.47 m/s. The car is a distance d away, What is the maximum possible value for d
A 2 kg rock is released from rest at a height of 29 m. neglect air resistance and determine the kinetic energy, gravitational potential energy, and total mechanical energy at each of the following heights: 20m; 15m; 5m; 9m.
questiona cockroach of mass m lies on the rim of a uniform disk of mass 5 m that can rotate freely about its center
An electric motor rotating a workshop grinding wheel at a rate of 107 rev/min is switched off. Assume the wheel has the constant negative angular acceleration of magnitude 1.70 rad/s2.
An alpha particle (m= 6.64E-27 kg) trapped in the nucleus of an atom can be modelled as a particle moving in a one-dimensional box of width 1.00E-14m. calculate The ground state momentum of the particle
A uniform ball with a mass of 125 is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s, What is the rotational kinetic energy of the ball
A parallel-plate capacitor with only air between the plates is charged by connecting it to a battery, A voltmeter reads 46.0V when placed across the capacitor, What is the dielectric constant of this material
A 1500 kg car traveling at a speed of 20 m/s skids to a halt on wet concrete where kinetic friction= 0.20. How far are the skid marks.
A 1.5 kg box slides down a frictionless incline of angle . It starts from rest at t=0 at the top of the incline at a height of 22 m above the ground. What is the potential energy of the box relative to the ground at t=0
A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m.
q1. an object falls because of gravity at a rate of -9.80 ms2 - sign is indicative of a downward direction for 10.00
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